Remove unused template function limit_line_length()

src/templates.rs

@@ -428,31 +428,6 @@ pub async fn middleware(
             },
         )
     });
-    environment.add_function("limit_line_length", |string: &str, length: usize| {
-        let mut new_string = String::with_capacity(string.len());
-        for line in string.lines() {
-            let mut line = line;
-            if line.chars().count() <= length {
-                new_string.push_str(line);
-                new_string.push('\n');
-                continue;
-            }
-            while line.chars().count() > length {
-                let split_position = line
-                    .char_indices()
-                    .enumerate()
-                    .find_map(|(i, (p, _c))| if i >= length { Some(p) } else { None })
-                    .expect("Expected to find split position");
-                let (before, after) = line.split_at(split_position);
-                new_string.push_str(before);
-                new_string.push('\n');
-                line = after;
-            }
-            new_string.push_str(line);
-            new_string.push('\n');
-        }
-        new_string
-    });
     let uri = request.uri();
     let query_value: Value = uri
         .query()